Function fuzz_test_template

subprojects/llama.cpp/tests/test-jinja.cpp:1903–1920

Helper to execute a fuzz test case - returns true if no crash occurred

// Helper to execute a fuzz test case - returns true if no crash occurred
static bool fuzz_test_template(const std::string & tmpl, const json & vars) {
    try {
        // printf("Fuzz testing template: %s\n", tmpl.c_str());
        jinja::lexer lexer;
        auto lexer_res = lexer.tokenize(tmpl);
        jinja::program ast = jinja::parse_from_tokens(lexer_res);
        jinja::context ctx(tmpl);
        jinja::global_from_json(ctx, vars, true);
        jinja::runtime runtime(ctx);
        const jinja::value results = runtime.execute(ast);
        runtime.gather_string_parts(results);
        return true; // success
    } catch (const std::exception &) {
        return true; // exception is acceptable, not a crash
    } catch (...) {
        return true; // any exception is acceptable, not a crash
    }
}

static void test_fuzzing(testing & t) {
    const int num_iterations = JINJA_FUZZ_ITERATIONS;